Move ReferencedSurfaceTracker into GpuCompositorFrameSink.

cc/ipc/mojo_compositor_frame_sink.mojom

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 module cc.mojom;
 
 import "cc/ipc/begin_frame_args.mojom";
 import "cc/ipc/compositor_frame.mojom";
 import "cc/ipc/frame_sink_id.mojom";
 import "cc/ipc/local_frame_id.mojom";
@@ skipping 15 matching lines @@
   // to screen the next time frames from all CompositorFrameSinks are aggregated
   // to produce a display CompositorFrame. If a client wishes to allocate a new
   // surface (e.g. during resize), then it can simply allocate a new
   // |local_frame_id|.
   // For successful swaps, the implementation must call
   // DidReceiveCompositorFrameAck() asynchronously when the frame has been
   // processed in order to unthrottle the next frame.
   SubmitCompositorFrame(cc.mojom.LocalFrameId local_frame_id,
                         cc.mojom.CompositorFrame frame);
 
-  // Adds surface references.
-  AddSurfaceReferences(array<SurfaceReference> references);
-
-  // Removes surface references.
-  RemoveSurfaceReferences(array<SurfaceReference> references);
-
   // Notify that the surface is no longer in use (and is okay to be evicted) so
   // that its resources gets returned in time.
   EvictFrame();
 
   // TODO(staraz): Delete Require() and Satisfy() once surface references
   // (CL 2541683004) are ready.
   // Add the provided |sequence| as a destruction dependency of the
   // surface associated with the provided |local_frame_id|.
   Require(cc.mojom.LocalFrameId local_frame_id,
           cc.mojom.SurfaceSequence sequence);
@@ skipping 25 matching lines @@
 };
 
 // MojoCompositorFrameSinkPrivate is used by the display compositor host to set
 // up BeginFrameSource hierarchies.  This API lives in SurfaceManager but is
 // called from here in order to ensure that hierarchy registration does not race
 // CompositorFrameSink creation.
 interface MojoCompositorFrameSinkPrivate {
   AddChildFrameSink(FrameSinkId child_frame_sink_id);
   RemoveChildFrameSink(FrameSinkId child_frame_sink_id);
 };